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MCP server · RAG

pgvector

· github.com/mittalpk/mcp-server-pgvector

Similarity search, hybrid search, and index management for pgvector-backed PostgreSQL tables

Unclaimed rag
InstallView source
37Low

Scored 11 days ago · breakdown

About pgvector

pgvector is an MCP server in the RAG category: similarity search, hybrid search, and index management for pgvector-backed PostgreSQL tables.

The repository has 1 stars and 0 forks.

Install

uvx
uvx mcp-server-pgvector
pip
pip install mcp-server-pgvector

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (7)

create_vector_indexCreate an HNSW or IVFFlat index with tunable parameters

Parameters not published.

describe_vector_tableColumns, indexes, and approximate row count for a table

Parameters not published.

explain_similarity_query`EXPLAIN ANALYZE` a similarity query to confirm the ANN index is used

Parameters not published.

hybrid_searchWeighted blend of vector similarity and Postgres full-text search (`ts_rank_cd`)

Parameters not published.

list_vector_tablesDiscover every `vector` column in the database, with its dimensionality

Parameters not published.

similarity_searchk-NN search over a vector column (cosine / L2 / inner product), with structured metadata filters

Parameters not published.

upsert_embeddingInsert or update a row's embedding + metadata

Parameters not published.

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Questions

About pgvector

How do I install pgvector?

Run uvx mcp-server-pgvector, then add the server to your MCP client's configuration.

Is pgvector safe to use with an AI agent?

Its trust score is 37 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is pgvector still maintained?

Conduid hasn't recorded a commit date for this repository yet. Check the repository directly for recent activity.